(4-Methylthiophenyl)methyl phenyl sulfonium triflate
(4-Methylthiophenyl)methyl phenyl sulfonium triflate (CAS: 187868-29-7) is a specialized organic compound with the molecular formula C15H15F3O3S3 and a molecular weight of 396.47 g/mol. As a cationic photoinitiator and photoacid generator, it plays a crucial role in photopolymerization processes. Its utility spans advanced materials science and microelectronics, particularly in the formulation of photoresists for lithography.
- IUPAC
- (4-Methylthiophenyl)methyl phenyl sulfonium trifluoromethanesulfonate
Cationic Photoinitiator
This compound functions as an efficient cationic photoinitiator, generating reactive species upon UV exposure to initiate polymerization. It is integral to UV-curable coatings, inks, and adhesives.
Photoacid Generator (PAG)
As a photoacid generator, it releases triflic acid upon irradiation, making it invaluable for chemically amplified photoresists used in microelectronics fabrication. This process enables high-resolution patterning.
Materials Science
It finds application in advanced materials development, contributing to the synthesis of polymers with specific properties through controlled photopolymerization techniques.
Micro/Nanoelectronics
Its role in photoresist technology is critical for the miniaturisation of electronic components, enabling precise pattern transfer in semiconductor manufacturing.
| Molecular weight | 396.47 |
|---|---|
| Empirical formula | C15H15F3O3S3 |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 76-79 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 290 nm |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (4-Methylthiophenyl)methyl phenyl sulfonium triflate used for?
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(4-Methylthiophenyl)methyl phenyl sulfonium triflate is primarily used as a cationic photoinitiator and a photoacid generator (PAG) in photopolymerization processes, particularly in UV-curable systems and photoresist formulations for microelectronics.
What is the CAS number and chemical formula?
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The CAS number is 187868-29-7, and the empirical formula is C15H15F3O3S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of >95%. We do not represent it as USP, BP, EP, or for food/nutritional use.
What are the safety considerations for handling this chemical?
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This compound is a skin, eye, and respiratory irritant (H315-H319-H335). Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, in a well-ventilated area. Avoid dust formation and inhalation.
How is (4-Methylthiophenyl)methyl phenyl sulfonium triflate packed, shipped, and exported?
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This product is carefully packed and exported by Tech Serve Solutions in compliance with international shipping regulations for chemical compounds.
How can I request a sample or quote?
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To request a sample or quote, please contact our sales team via the website or direct inquiry, providing your specific requirements.
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